There are some very potent tools to calculate the life span of the person. Astrology can surely predict the age of a person. But considering above riders (professional& moral) instead of predicting exact years of age of a person, an astrologer can tell about it in a very refined way with age brackets.

Can astrology predict life expectancy?

Indian Vedic Astrology can surely predict even the date and hours of the death of a person. Death is a transformation, a major transformation for one`s soul. It is a transformation of soul wherein it leaves one body and enters another or gets Moksha.

Which planet is responsible for long life?

Saturn situated in the 6th house prolongs life. Death can occur in the dasha of a weak benefic planet occupying the 8th house or the lord of the lagna can give yoga and kill the native.